Langzhong climate — normals and trends
Langzhong (China) has a humid subtropical, dry winter climate (Cwa) under the Köppen-Geiger classification. Its mean annual temperature is 17.3 °C and it receives 1,352 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is July (27.1 °C on average) and the coldest is January (6.4 °C). Rainfall peaks in July.
Langzhong averages 8 frost days, 61 hot days (≥ 30 °C) and 142 rainy days per year.
Langzhong has warmed by +1.4 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.
The number of frost days there went from about 14 to 2 per year over the period.
The hottest day of the period reached 43.2 °C (on 4 August 2025) and the coldest -10.6 °C (on 5 January 1955).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
LangzhongSichuan
- coords
- 31.55°, 105.99°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.3°C
Average daily high
20.9°C
Average daily low
14.0°C
Annual rainfall
1,352mm
Sunshine / day
6.6h
Mean relative humidity
75%
Average peak wind
12.2km/h
Seasonal range
20.7°C
Frost days (< 0 °C)
8 d/yr
Hot days (≥ 30 °C)
61 d/yr
Rainy days (≥ 1 mm)
142 d/yr
Annual snowfall
4.0 cm
Average feels-like high
21.5 °C
Average feels-like low
13.8 °C
Average peak gust
25.0 km/h
Tropical nights (≥ 20 °C)
104 d/yr
Solar radiation
11.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.40 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
43.2 °C
4 August 2025
Coldest day
-10.6 °C
5 January 1955
Wettest day
245 mm
28 June 1993
Windiest day
75.7 km/h
24 May 1946
Strongest gust
92.2 km/h
12 April 1979
Hottest feels-like
46.7 °C
15 August 2022
Coldest feels-like
-15.2 °C
5 January 1955
Snowiest day
9.2 cm
13 January 1957
Sunniest day
14.0 h
19 June 1940
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 11.6 °C | +1.7 °C | 38 mm | +11 mm |
| Feb | 11.9 °C | -0.1 °C | 36 mm | +8 mm |
| Mar | 17.1 °C | +0.2 °C | 28 mm | -22 mm |
| Apr | 27.6 °C | +5.4 °C | 24 mm | -56 mm |
| May | 31.3 °C | +5.3 °C | 62 mm | -57 mm |
| Jun | 33.0 °C | +4.3 °C | 104 mm | -60 mm |
| Jul | 35.3 °C | +4.4 °C | 143 mm | -137 mm |
| Aug | 34.9 °C | +3.9 °C | 202 mm | -18 mm |
| Sep | 26.6 °C | +0.6 °C | 550 mm | +349 mm |
| Oct | 21.5 °C | +0.7 °C | 263 mm | +164 mm |
| Nov | 16.6 °C | +0.7 °C | 23 mm | -34 mm |
| Dec | 12.8 °C | +1.8 °C | 27 mm | -2 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Langzhong?
Langzhong has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 17.3 °C and it receives 1,352 mm of precipitation per year.
What is the hottest day ever recorded in Langzhong?
The hottest day measured in Langzhong between 1940 and 2025 was 4 August 2025, reaching 43.2 °C.
What is the coldest day in Langzhong?
The coldest day measured in Langzhong between 1940 and 2025 was 5 January 1955, at -10.6 °C.
Does it snow in Langzhong?
Yes. Langzhong gets on average 4.0 cm of snow per year and has around 8 frost days.
Has the climate of Langzhong warmed?
Yes: Langzhong warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Langzhong?
The wettest day measured in Langzhong between 1940 and 2025 was 28 June 1993, with 245 mm of rain in 24 hours.
What was the windiest day in Langzhong?
The windiest day measured in Langzhong between 1940 and 2025 was 24 May 1946, with winds reaching 75.7 km/h.
What is the warmest month in Langzhong?
The warmest month in Langzhong is July (27.1 °C on average); the coldest is January (6.4 °C).
How much does it rain in Langzhong?
Langzhong receives on average 1,352 mm of precipitation per year, spread over about 142 rainy days.
Is it sunny in Langzhong?
Langzhong gets on average 6.6 hours of sunshine per day, roughly 2,409 hours per year over 1940-2025.
What is the biggest single-day snowfall in Langzhong?
The heaviest 24-hour snowfall measured in Langzhong between 1940 and 2025 was 13 January 1957, with 9.2 cm.
Are there tropical nights in Langzhong?
Yes: Langzhong has on average 104 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Langzhong?
In Langzhong, between 1940 and 2025, the highest apparent temperature reached 46.7 °C on 15 August 2022, and the lowest was -15.2 °C on 5 January 1955.
Compare Langzhong with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Langzhong